/***************************************************************************/
/*                                                                         */
/*  ttpic.c                                                                */
/*                                                                         */
/*    The FreeType position independent code services for truetype module. */
/*                                                                         */
/*  Copyright 2009, 2010 by                                                */
/*  Oran Agra and Mickey Gabel.                                            */
/*                                                                         */
/*  This file is part of the FreeType project, and may only be used,       */
/*  modified, and distributed under the terms of the FreeType project      */
/*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     */
/*  this file you indicate that you have read the license and              */
/*  understand and accept it fully.                                        */
/*                                                                         */
/***************************************************************************/


#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "ttpic.h"
#include "tterrors.h"

#ifdef FT_CONFIG_OPTION_PIC

/* forward declaration of PIC init functions from ttdriver.c */
FT_Error
FT_Create_Class_tt_services( FT_Library           library,
                             FT_ServiceDescRec**  output_class );

void
FT_Destroy_Class_tt_services( FT_Library          library,
                              FT_ServiceDescRec*  clazz );

void
FT_Init_Class_tt_service_gx_multi_masters(
  FT_Service_MultiMastersRec*  sv_mm );

void
FT_Init_Class_tt_service_truetype_glyf(
  FT_Service_TTGlyfRec*  sv_ttglyf );

void
tt_driver_class_pic_free( FT_Library  library )
{
  FT_PIC_Container*  pic_container = &library->pic_container;
  FT_Memory  memory = library->memory;


  if ( pic_container->truetype )
  {
    TTModulePIC*  container = (TTModulePIC*)pic_container->truetype;


    if ( container->tt_services )
      FT_Destroy_Class_tt_services( library, container->tt_services );
    container->tt_services = NULL;
    FT_FREE( container );
    pic_container->truetype = NULL;
  }
}


FT_Error
tt_driver_class_pic_init( FT_Library  library )
{
  FT_PIC_Container*  pic_container = &library->pic_container;
  FT_Error           error         = TT_Err_Ok;
  TTModulePIC*       container;
  FT_Memory          memory        = library->memory;


  /* allocate pointer, clear and set global container pointer */
  if ( FT_ALLOC ( container, sizeof ( *container ) ) )
    return error;
  FT_MEM_SET( container, 0, sizeof ( *container ) );
  pic_container->truetype = container;

  /* initialize pointer table - this is how the module usually expects this data */
  error = FT_Create_Class_tt_services( library,
                                       &container->tt_services );
  if ( error )
    goto Exit;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
  FT_Init_Class_tt_service_gx_multi_masters(
    &container->tt_service_gx_multi_masters );
#endif
  FT_Init_Class_tt_service_truetype_glyf(
    &container->tt_service_truetype_glyf );
Exit:
  if ( error )
    tt_driver_class_pic_free( library );
  return error;
}

#endif /* FT_CONFIG_OPTION_PIC */


/* END */
